Techno Press
Techno Press

Steel and Composite Structures
  Volume 27, Number 4, May25 2018 , pages 479-493
DOI: https://doi.org/10.12989/scs.2018.27.4.479
 

Nonlocal free vibration analysis of a doubly curved piezoelectric nano shell
Mohammad Arefi

 
Abstract
    In this paper nonlocal free vibration analysis of a doubly curved piezoelectric nano shell is studied. First order shear deformation theory and nonlocal elasticity theory is employed to derive governing equations of motion based on Hamilton's principle. The doubly curved piezoelectric nano shell is resting on Pasternak's foundation. A parametric study is presented to investigate the influence of significant parameters such as nonlocal parameter, two radii of curvature, and ratio of radius to thickness on the fundamental frequency of doubly curved piezoelectric nano shell.
 
Key Words
    doubly curved piezoelectric nano shells; nonlocal parameter; first-order shear deformation theory; Pasternak
 
Address
Faculty of Mechanical Engineering, Department of Solid Mechanics, University of Kashan, Kashan 87317-51167, Iran.
 
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